Research Article
Risk Assessment Method for Cable System Construction of Long-Span Suspension Bridge Based on Cloud Model
Table 3
Index weight of the cable system construction risk evaluation system.
| Criteria layer | Weights | Indicator layer | Weights | Comprehensive weight |
| Saddle installation risk U1 | 0.2734 | Falling objects U11 | 0.0801 | 0.0219 | Mounting bracket instability U12 | 0.2696 | 0.0737 | Cable saddle falling U13 | 0.5004 | 0.1368 | Lifting damage U14 | 0.1499 | 0.0410 |
| Traction system installation and catwalk construction risk U2 | 0.3678 | Commander signal is not uniform U21 | 0.0413 | 0.0152 | Catwalk load-bearing cable anchoring embedded parts are not strong U22 | 0.0594 | 0.0218 | Drowning accident U23 | 0.0967 | 0.0356 | Traction system failure U24 | 0.2081 | 0.0765 | Catwalk construction falls high U25 | 0.2660 | 0.0978 | Catwalk construction encounters strong winds U26 | 0.3285 | 0.1208 |
| Main cable erection and cable tightening construction risk U3 | 0.2980 | Hoist parts are loose U31 | 0.0952 | 0.0284 | Winch and entanglement machine mismatched U32 | 0.0601 | 0.0179 | Lifting accident U33 | 0.0409 | 0.0122 | Traction of the cable strand or strapping damage U34 | 0.1956 | 0.0583 | Strand slip U35 | 0.3266 | 0.0973 | Windy weather during the erection process U36 | 0.2817 | 0.0839 |
| Cable clamp and sling installation risk U4 | 0.0608 | Wire strand extrusion U41 | 0.0660 | 0.0040 | Cable clamp deformation U42 | 0.1277 | 0.0078 | Sling installation is tilted and biased U43 | 0.3423 | 0.0208 | Sling falling from high altitude U44 | 0.4640 | 0.0282 |
|
|